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Third Party Harfbuzz
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22af28a3
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Third Party Harfbuzz
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体验新版 GitCode,发现更多精彩内容 >>
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22af28a3
编写于
1月 23, 2017
作者:
B
Behdad Esfahbod
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电子邮件补丁
差异文件
[var] Implement MVAR table
Unhooked. Untested.
上级
67a19116
变更
4
显示空白变更内容
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4 changed file
with
113 addition
and
1 deletion
+113
-1
src/Makefile.sources
src/Makefile.sources
+1
-0
src/hb-font.cc
src/hb-font.cc
+1
-1
src/hb-ot-var-mvar-table.hh
src/hb-ot-var-mvar-table.hh
+110
-0
src/hb-ot-var.cc
src/hb-ot-var.cc
+1
-0
未找到文件。
src/Makefile.sources
浏览文件 @
22af28a3
...
...
@@ -112,6 +112,7 @@ HB_OT_sources = \
hb-ot-var-avar-table.hh
\
hb-ot-var-fvar-table.hh
\
hb-ot-var-hvar-table.hh
\
hb-ot-var-mvar-table.hh
\
$(NULL)
HB_OT_headers
=
\
...
...
src/hb-font.cc
浏览文件 @
22af28a3
...
...
@@ -1627,7 +1627,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
}
/**
* hb_font_
s
et_var_coords_normalized:
* hb_font_
g
et_var_coords_normalized:
*
* Return value is valid as long as variation coordinates of the font
* are not modified.
...
...
src/hb-ot-var-mvar-table.hh
0 → 100644
浏览文件 @
22af28a3
/*
* Copyright © 2017 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_OT_VAR_MVAR_TABLE_HH
#define HB_OT_VAR_MVAR_TABLE_HH
#include "hb-ot-layout-common-private.hh"
namespace
OT
{
struct
VariationValueRecord
{
inline
bool
sanitize
(
hb_sanitize_context_t
*
c
)
const
{
TRACE_SANITIZE
(
this
);
return_trace
(
c
->
check_struct
(
this
));
}
public:
Tag
valueTag
;
/* Four-byte tag identifying a font-wide measure. */
ULONG
varIdx
;
/* Outer/inner index into VariationStore item. */
public:
DEFINE_SIZE_STATIC
(
8
);
};
/*
* MVAR -- Metrics Variations Table
*/
#define HB_OT_TAG_MVAR HB_TAG('M','V','A','R')
struct
MVAR
{
static
const
hb_tag_t
tableTag
=
HB_OT_TAG_MVAR
;
inline
bool
sanitize
(
hb_sanitize_context_t
*
c
)
const
{
TRACE_SANITIZE
(
this
);
return_trace
(
version
.
sanitize
(
c
)
&&
likely
(
version
.
major
==
1
)
&&
c
->
check_struct
(
this
)
&&
valueRecordSize
>=
VariationValueRecord
::
static_size
&&
varStore
.
sanitize
(
c
,
this
)
&&
c
->
check_array
(
values
,
valueRecordSize
,
valueRecordCount
));
}
inline
float
get_var
(
hb_tag_t
tag
,
int
*
coords
,
unsigned
int
coord_count
)
const
{
const
VariationValueRecord
*
record
;
record
=
(
VariationValueRecord
*
)
bsearch
(
&
tag
,
values
,
valueRecordCount
,
valueRecordSize
,
(
hb_compare_func_t
)
tag_compare
);
if
(
!
record
)
return
0.
;
return
(
this
+
varStore
).
get_delta
(
record
->
varIdx
,
coords
,
coord_count
);
}
protected:
static
inline
int
tag_compare
(
const
hb_tag_t
*
a
,
const
Tag
*
b
)
{
return
b
->
cmp
(
*
a
);
}
protected:
FixedVersion
<>
version
;
/* Version of the metrics variation table
* initially set to 0x00010000u */
USHORT
reserved
;
/* Not used; set to 0. */
USHORT
valueRecordSize
;
/* The size in bytes of each value record —
* must be greater than zero. */
USHORT
valueRecordCount
;
/* The number of value records — may be zero. */
OffsetTo
<
VariationStore
>
varStore
;
/* Offset to item variation store table. */
BYTE
values
[
VAR
];
/* Array of value records. The records must be
* in binary order of their valueTag field. */
public:
DEFINE_SIZE_ARRAY
(
12
,
values
);
};
}
/* namespace OT */
#endif
/* HB_OT_VAR_MVAR_TABLE_HH */
src/hb-ot-var.cc
浏览文件 @
22af28a3
...
...
@@ -29,6 +29,7 @@
#include "hb-ot-layout-private.hh"
#include "hb-ot-var-avar-table.hh"
#include "hb-ot-var-fvar-table.hh"
#include "hb-ot-var-mvar-table.hh"
#include "hb-ot-var.h"
HB_SHAPER_DATA_ENSURE_DECLARE
(
ot
,
face
)
...
...
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